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-rw-r--r--src/utils/openxc-utils.cpp27
1 files changed, 27 insertions, 0 deletions
diff --git a/src/utils/openxc-utils.cpp b/src/utils/openxc-utils.cpp
index 8449acc..ae15f4d 100644
--- a/src/utils/openxc-utils.cpp
+++ b/src/utils/openxc-utils.cpp
@@ -109,6 +109,33 @@ openxc_VehicleMessage build_VehicleMessage(const openxc_SimpleMessage& message)
}
/**
+ * @brief Build an empty VehicleMessage that isn't usable by at least the struct
+ * is initialized for the most part and can be use to check a false return value.
+ *
+ * @return A VehicleMessage with all boolean value to false.
+ */
+openxc_VehicleMessage build_VehicleMessage()
+{
+ openxc_VehicleMessage v;
+
+ ::memset(&v, 0, sizeof(openxc_VehicleMessage));
+ return v;
+}
+
+bool is_valid(const openxc_VehicleMessage& v)
+{
+ if (v.has_type == false &&
+ v.has_can_message == false &&
+ v.has_simple_message == false &&
+ v.has_diagnostic_response == false &&
+ v.has_control_command == false &&
+ v.has_command_response == false &&
+ v.has_timestamp == false)
+ return false;
+ return true;
+}
+
+/**
* @brief Build an openxc_SimpleMessage associating a name to an openxc_DynamicField
*
* @param[in] name - const string reference name to assign to the created SimpleMessage